130225444 has 6 divisors (see below), whose sum is σ = 227894534. Its totient is φ = 65112720.

The previous prime is 130225441. The next prime is 130225477. The reversal of 130225444 is 444522031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83028544 + 47196900 = 9112^2 + 6870^2 .

It is not an unprimeable number, because it can be changed into a prime (130225441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16278177 + ... + 16278184.

Almost surely, 2^130225444 is an apocalyptic number.

It is an amenable number.

130225444 is a deficient number, since it is larger than the sum of its proper divisors (97669090).

130225444 is a wasteful number, since it uses less digits than its factorization.

130225444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32556365 (or 32556363 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 130225444 is about 11411.6363419100. The cubic root of 130225444 is about 506.8723670386.

Adding to 130225444 its reverse (444522031), we get a palindrome (574747475).

The spelling of 130225444 in words is "one hundred thirty million, two hundred twenty-five thousand, four hundred forty-four".